blob: d618a6e10dd3d395bd229e59f4eec743c49258aa [file] [log] [blame]
/*
* Copyright (C) 2022 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include "apex_init_util.h"
#include <glob.h>
#include <map>
#include <vector>
#include <android-base/logging.h>
#include <android-base/result.h>
#include <android-base/properties.h>
#include <android-base/strings.h>
#include "action_manager.h"
#include "init.h"
#include "parser.h"
#include "service_list.h"
#include "util.h"
namespace android {
namespace init {
static Result<std::vector<std::string>> CollectApexConfigs(const std::string& apex_name) {
glob_t glob_result;
std::string glob_pattern = apex_name.empty() ?
"/apex/*/etc/*rc" : "/apex/" + apex_name + "/etc/*rc";
const int ret = glob(glob_pattern.c_str(), GLOB_MARK, nullptr, &glob_result);
if (ret != 0 && ret != GLOB_NOMATCH) {
globfree(&glob_result);
return Error() << "Glob pattern '" << glob_pattern << "' failed";
}
std::vector<std::string> configs;
for (size_t i = 0; i < glob_result.gl_pathc; i++) {
std::string path = glob_result.gl_pathv[i];
// Filter-out /apex/<name>@<ver> paths. The paths are bind-mounted to
// /apex/<name> paths, so unless we filter them out, we will parse the
// same file twice.
std::vector<std::string> paths = android::base::Split(path, "/");
if (paths.size() >= 3 && paths[2].find('@') != std::string::npos) {
continue;
}
// Filter directories
if (path.back() == '/') {
continue;
}
configs.push_back(path);
}
globfree(&glob_result);
return configs;
}
static Result<void> ParseConfigs(const std::vector<std::string>& configs) {
Parser parser = CreateApexConfigParser(ActionManager::GetInstance(),
ServiceList::GetInstance());
bool success = true;
for (const auto& c : configs) {
success &= parser.ParseConfigFile(c);
}
if (success) {
return {};
} else {
return Error() << "Unable to parse apex configs";
}
}
Result<void> ParseApexConfigs(const std::string& apex_name) {
auto configs = OR_RETURN(CollectApexConfigs(apex_name));
if (configs.empty()) {
return {};
}
auto filtered_configs = FilterVersionedConfigs(configs,
android::base::GetIntProperty("ro.build.version.sdk", INT_MAX));
return ParseConfigs(filtered_configs);
}
} // namespace init
} // namespace android